html, body {
    width: 100%;
    height: 100%;
}

body {
    background: #f7f8fa;
}

.head_nb {
    top: 0;
    width: 100%;
    z-index: 999 !important;
    position: fixed !important;
}

.bg_w {
    background: #fff;
}

.bg_b {
    background: #1989fa;
}

.bg_y {
    background: #ff976a;
}

.pb_a {
    padding-bottom: 3.75rem;
}

.pt_a {
    padding-top: 2.875rem;
}

.m_10 {
    margin: 0.625rem;
}

.m_20 {
    margin: 1.25rem;
}

.mt_10 {
    margin-top: 0.625rem;
}

.mt_20 {
    margin-top: 1.25rem;
}

.ml_10 {
    margin-left: 0.625rem;
}


.p_10 {
    padding: 0.625rem;
}

.p_20 {
    padding: 1.25rem;
}

.pt_10 {
    padding-top: 0.625rem;
}

.pt_20 {
    padding-top: 1.25rem;
}


.pb_10 {
    padding-bottom: 0.625rem;
}

.pb_20 {
    padding-bottom: 1.25rem;
}

.btn_100 {
    width: 100%;
    line-height: 2.5rem;
}

.ta_c {
    text-align: center;
}

.ta_l {
    text-align: left;
}

.ta_r {
    text-align: right;
}

.txt_40 {
    height: 2.5rem;
    line-height: 2.5rem;
}

.txt_60 {
    height: 3.75rem;
    line-height: 3.75rem;
}

.f_l {
    float: left;
}

.f_r {
    float: right;
}

.ft_16 {
    font-size: 1rem;
}

.ft_14 {
    font-size: 0.875rem;
}

.ft_10 {
    font-size: 0.625rem;
}

.txt_cw {
    color: #ffffff !important;
}

.txt_cb {
    color: #969799;
}

.txt_cn {
    color: #1989fa;
}

.txt_cr {
    color: #ee0a24;
}

.icon_mid {
    vertical-align: middle;
}

.c_b {
    clear: both;
}

.box_item {
    position: relative;
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    min-width: 40px;
    overflow: hidden;
    color: #323233;
    font-size: 13px;
    line-height: 16px;
    vertical-align: middle;
    border-radius: 4px;
}

.box_item::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f7f8fa;
    content: '';
}

.box_item--active {
    color: #1989fa;
}

.box_item--active::before {
    background: #1989fa !important;
    opacity: .1;
}

.box_item_name {
    z-index: 1;
    padding: 8px;
}
